Remove Crypton Ransomware and Restore “.crypt” Files

​delete Crypton Ransomware

Analysis on Crypton Ransomware

Crypton is identified as a ransomware threat which encrypts users files and after encryption it appends a new extension ".crypt" with every encrypted file of the system. Once the encryption process has been completed then this ransomware send or display a ransom note on the users desktop screen and ask ransom money in order to give the decryption key to retrieve the locked files. It create a text file named "readme_encrypted.txt" and display it on the users screen. This text is sent to the users in English and Russian languages. It may be possible that attackers may be Russian. This ransomware variant has been drawn the attention of the security experts in November when many of the system users start reporting about the criminal deeds of Crypton Ransomware. Security researchers concluded that this ransomware may be based on the Hidden Tear project but later on it proved a myth.

How does Crypton Ransomware operate their malicious doings?

Once this ransomware successfully invade your system then it first start to scan for certain types of files that are included in its target list. The targeted files are then encrypted by using a public encryption key and ".crypt" extensions are appended to the affected files in the end. This may all look very confusing if you open your system to such a mess. So, the attackers have everything planned out. They drop ".txt" and ".jpg' files on the infected PC. The ransom message can be as follows:

delete Crypton Ransomware


As you can see in the ransom note there is not any indication how much money will have to pay by the victim to buy the decryption key from the attackers.

How does Crypton Ransomware reach to your computers?

Crypton is generally distributed to the innocent users by using spam emails. This strategy make sure that users are receiving the infection payload of Crypton Ransomware directly into your inbox. Infact, similar fraudulent such emails that carrying infected attachments and placed the payload in the mails that might appear the users as a official documents or letter, invoice receipt and shopping bill and the users download it on their system and after that the infection easily penetrate into your system and you got infected. Some other ways to get infected with this ransomware is via installing of freeware bundles, by click on malicious pop-ups and ads, by visiting some shaddy websites. So it is better to stay safe from the attack of ransomware and if you are already get the infection then try to remove Crypton Ransomware by using a credible anti-malware on your system and after removal run the backup on your system to restore your files.

Free Scan your Windows PC to detect Crypton Ransomware


What To Do If Your PC Get Infected By Crypton Ransomware

The ransomware infection has been mainly designed with the purpose to scare users and trick their money. It take your files on hostage and demand ransom to return your important data. But now the question is what you can do when your system got infected by Crypton Ransomware virus? Here are some option that you can use to get rid of this nasty infection.

Don’t Panic – Well the first thing is Don’t panic and then completely check out your system for any working files. If you got any working files then copy it to USB drive.

Pay Ransom – Other option is you can pay the ransom and wait to get your files back. (really a bad option)

Use Backup – Clean you entire system files, remove the infection completely from your PC and restore your files with any backup.

Remove Infection – You can also delete Crypton Ransomware virus using malware removal tool and remove all the infected files. You can later recover all your data by using any data recovery tool. (In case you don’t have backup of your files.) – Recommended Method.

Reinstall Windows – The last option is reinstall your Windows OS. It will completely remove all your data as well as infection. You will get a completely new infection free PC.

How To Remove Crypton Ransomware Virus From Your PC

Step 1Boot your computer in Safe mode.

Step 2 – Remove the infected registry entry files.

  • Click Windows Flag and R button together.


  • Type “regedit” and click OK button


  • Find and delete following entries.



HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain “Default_Page_URL”

HKEY_LOCAL_Machine\Software\Classes\[Crypton Ransomware]

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\[Crypton Ransomware]

Step 3 – Remove From msconfig

  • Click Windows + R buttons simultaneously.


  • Type msconfig and press Enter


  • Go to Startup tab and uncheck all entries from unknown manufacturer.


Step 4 – Restart your computer normally.

Check your computer now. If the virus has gone then you can start using your computer. If the infection still remains then head to the next step.

Step 5 – System Restore

  • Insert Windows installation disk to CD drive and restart your PC.
  • While system startup, keep pressing F8 or F12 key to get boot options.
  • Now select the boot from CD drive option to start your computer.
  • Then after you will get the System Recovery Option on your screen.
  • Select the System Restore option from the list.
  • Choose a nearest system restore point when your PC was not infected.
  • Now follow the option on your screen to Restore your computer.

If the above manual methods didn’t removed Crypton Ransomware virus then you have only option to remove infection using a malware removal tool. It is last and the only option that can easily and safely remove this nasty threat from your computer.


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